Environmental Conditions And Safety Quiz

Explanation
All of these things are important for the prevention of viral diseases. Washing hands helps to remove any viruses that may be present on the hands. Wearing a mask can prevent the inhalation or transmission of viral particles. Avoiding consumption of contaminated things reduces the risk of ingesting viruses. Therefore, all three measures are necessary to effectively prevent viral diseases.

Explanation
Making huge buildings is not a method to prevent pollution. In fact, constructing large buildings can contribute to pollution in various ways such as increased energy consumption, construction waste, and emissions from transportation. On the other hand, the other options mentioned - banning plastic, using less petrol, and stopping deforestation - are all effective methods to prevent pollution. Banning plastic reduces plastic waste and its harmful effects on the environment. Using less petrol reduces air pollution caused by vehicle emissions. Stopping deforestation helps to preserve natural habitats and reduce carbon emissions.

Explanation
The biggest cause of water pollution is chemicals coming from the factories. Industrial activities release a significant amount of pollutants into water bodies, including toxic chemicals, heavy metals, and harmful substances. These pollutants can have detrimental effects on aquatic ecosystems and pose risks to human health. Efforts to control and reduce industrial pollution are essential to protect water resources and ensure their sustainability.

Explanation
All of the options listed (Cold, Asthma, Allergies) can be symptoms of foodborne illness. Foodborne illnesses can cause a range of symptoms, including respiratory symptoms like cold, asthma, and allergies. These symptoms can occur due to the body's immune response to the pathogens or toxins present in contaminated food. Therefore, all of these options can be considered as symptoms of foodborne illness.

Explanation
All of these options are types of pollution. Chemical pollution refers to the release of harmful chemicals into the environment, which can have detrimental effects on ecosystems and human health. Water pollution occurs when contaminants are introduced into bodies of water, making them unsafe for drinking, swimming, and supporting aquatic life. Noise pollution refers to excessive or disturbing noise that can have negative impacts on human health and well-being. Therefore, all three options - chemical, water, and noise - are types of pollution.

Explanation
Both point source and nonpoint source are categories of pollution sources. A point source refers to a single identifiable source of pollution, such as a factory or a power plant, that releases pollutants into the environment from a specific location. On the other hand, a nonpoint source refers to diffuse sources of pollution that cannot be traced back to a single point, such as runoff from agricultural fields or urban areas. Therefore, the correct answer is Both A & B.

Explanation
The given statement suggests that the advancement in medicine and farming has led to an increase in the human population. This can be explained by the fact that improved medical treatments and techniques have reduced mortality rates and increased life expectancy, resulting in a larger population. Similarly, advancements in farming have allowed for increased food production, ensuring a steady food supply and supporting a growing population. Therefore, the statement implies that the increase in human population is a result of the progress in medicine and farming.

Explanation
An athlete typically needs 7 to 10 days to acclimate to weather conditions. This duration allows the body to adjust to the new environment and optimize its performance. Acclimation involves physiological adaptations such as increased sweat production, improved heat tolerance, and better fluid balance. It also helps prevent heat-related illnesses and optimize performance. A shorter duration may not provide enough time for the body to fully adjust, while a longer duration may be unnecessary and lead to a decline in training or competition performance.

Explanation
Hypothermia is the correct answer because it is a condition characterized by abnormally low body temperature, usually caused by prolonged exposure to cold temperatures. It is not a heat illness, but rather a condition that occurs when the body loses heat faster than it can produce it, leading to a dangerously low body temperature. This is different from heat syncope, heat stroke, and none of these, which are all heat-related illnesses.

Explanation
Water loss equal to 2 percent is considered dehydration. Dehydration occurs when the body loses more water than it takes in. A loss of 2 percent of body water can lead to mild dehydration, which may cause symptoms such as thirst, dry mouth, fatigue, and decreased urine output. It is important to replenish fluids and maintain proper hydration levels to prevent dehydration and its associated health risks.